Comparison of Human-Like H1 (𝛿-Cluster) Influenza A Viruses in the Swine Host

Table 2

Geometric mean reciprocal titers from cross-HI assays using δ1 or δ2 H1 influenza viruses of 21 dpi serum from primary inoculated pigs. Viruses are listed in the far left column and antisera are listed in the top row. Homologous titers are in bold.

		TX08	IL05	MN07
		δ1 H1N2	δ2 H1N1	δ2 H1N1
δ1	IL07	106	70	61
	TX08	106	<10	<10
	MN08	26	<10	<10
δ2	IL05	53	211	53
	NC05	80	160	61
	MN07	40	160	211